Booting from iso from usb drive

I want to boot arch from iso from my thumb drive. Based on the wiki article on Grub, I've put this entry to my grub.cfg:
menuentry "Arch Linux x86_64" --class iso {
set isofile="/iso/archlinux-2014.05.01-dual.iso"
loopback loop $isofile
linux (loop)/arch/boot/x86_64/vmlinuz archisolabel=ARCH_201405 img_dev=/dev/disk/by-label/IKAROS img_loop=$isofile earlymodules=loop
initrd (loop)/arch/boot/x86_64/archiso.img
Grub seems to load the kernel fine, but the kernel then fails to mount the drive with the following message:
:: Setup a loop device from /iso/archlinux-2014.05.01-dual.iso located at device /dev/disk/by-label/IKAROS
:: Mounting '/dev/disk/by-label/IKAROS' to '/run/archiso/img_dev'
[ 9.556128] FAT-fs (sdb1): IO charset iso8859-1 not found
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so.
ERROR: Failed to mount '/dev/disk/by-label/IKAROS'
Falling back to interactive prompt
You can try to fix the problem manually, log out when you are finished
sh: can't acces tty: job control turned off
[rootfs /]#
I know I could dd the iso on the usb stick and probably avoid this, but I like my setup with several isos in a directory and appropriate grub entries. Does anybody know how to fix this?
Last edited by Remedan (2014-05-02 19:23:41)

elken wrote:I made it sometime last year and it has a load of ISOs on it but yes Arch was one of them. It was MultiCD sorry, not yumi. Like I said, it was a year ago. MultiCD was a piece of cake.
Well, with MultiCD I can create an image which can boot multiple isos and write it on the drive. The thing is, I want to be able to use the drive as a storage device also. So I'd like something that would allow me to have a FAT partition on the drive and boot from that.
But the core of my trouble is that the live arch doesn't seem to be able to handle the FAT partition.

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Hi Apple Ppl of the Wrld: I need help I been working on installing windows 8 on my Mac.
Spec of equipment:
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Bootcamp Version: Version 5.0.4 (473)
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Please Note: I also have the original back up installation disc for Microsoft 8 Prof 64 from Microsoft where I purchased it from.
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4: Take the Mac to best buy and let them resolve the issue and charge me like a million dollars for it :'( since i have no other idea who to get this bootcamp working at all. This has been a terribly lengthy issue and it is not as simple as it is claimed to be since i started with the Original Windows Disc Purchased from Microsoft and I have the Optical disc drive which it should be simpler from what I understand.
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<Email Edited by Host>

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http://getintopc.com/softwares/operating-systems/download-windows-8-pro/
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Message was edited by: macjack

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Hi there,
I'm running an Asrock H77M-ITX UEFI mobo. On this system I've already installed Arch on a Samsung 830 SSD (GPT formatted) - but in BIOS legacy mode because I've written the Arch-ISO image with "dd" to an USB-Stick (and UEFI boot mode wasn't even presented at boot).
Out of curiosity I've re-formatted the stick and copied Arch-ISO following https://wiki.archlinux.org/index.php/Un … B_from_ISO.
Now I could start the ISO in UEFI mode, but it failed to start gummiboot with the "No loader found. Configuration files in \loader\entries\*.conf are needed." error message, concerning a problem with gummiboot.
Following some advice on the forum, I did this:
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textonly
scanfor manual
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With this I can launch Arch-ISO from the USB-Stick in UEFI mode and I can choose Arch from rEFIND. Then Arch-ISO starts booting but it always stops at the same point with this message:
sd 6:0:0:0: [sdb] No Caching mode page present
sd 6:0:0:0: [sdb] Assuming drive cache: write through
sd 6:0:0:0: [sdb] Attached SCSI removable disk
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Falling back to interactive prompt
You can try to fix the problem manually, log out when you are finished
sh: can't access tty: job control turned off
[rootfs /]#
sdb is the USB-Stick from which I start Arch-ISO. Again - I didn't use dd to write the ISO to the stick.
Maybe this is pretty easy to solve, but I have to admit that I'm somewhat stuck
Last edited by swordfish (2012-11-19 21:31:43)

WonderWoofy wrote:See what the difference is between archiso and archboot maybe? Seriously, have you made any effort whatsoever?
Of course. Read:
The "Main Page" ( https://www.archlinux.org/ ) states:
"You've reached the website for Arch Linux, a lightweight and flexible Linux® distribution that tries to Keep It Simple."
"Keep It Simple". Yeah!
In line with that, the "The Arch Way" page ( https://wiki.archlinux.org/index.php/The_Arch_Way ) states:
"The following five core principles comprise what is commonly referred to as the Arch Way, or the Arch Philosophy, perhaps best summarized by the acronym KISS for Keep It Simple, Stupid."
The ArchWiki ( https://wiki.archlinux.org/ ) links to several other pages, such as these:
The "Forum Etiquette" page ( https://wiki.archlinux.org/index.php/Forum_Etiquette ) states under "Ineffective Discussion":
"Arch is a Do It Yourself community" and "treat others as you would be treated; respect them and their views". I am very much a "do it yourself" person -- that's why I like The Arch Way. I also go by the Golden Rule stated here.
Now, everyone is a newbie at some time. I and other posters here are obviously newbies with respect to ArchLinux. Even experts were newbies at one time. Newbies, by definition, do not necessarily know what they're doing, or where to find information. Hence, Arch's "Beginners' Guide" and such. Hence, posts on this board from newbies asking for help.
As regards initial installation of ArchLinux, and consistent with the above, the FAQ ( https://wiki.archlinux.org/index.php/FAQ ), under "Q) Arch needs an installer. Maybe a GUI installer", states:
"A) Since installation doesn't occur often (read the rest of this article to know more about what rolling release means), it is not a high priority for developers or users. The Installation Guide and Beginners' Guide have been fully updated to use the command-line method. If you're still interested in using an installer, consider using Archboot."
So the basic installation instructions explicitly state that Archboot is not needed.
The "Installation Guide" ( https://wiki.archlinux.org/index.php/Installation_Guide ) says nothing about either Archboot or Archiso.
The "Beginners Guide" ( https://wiki.archlinux.org/index.php/Beginners%27_Guide ) says nothing about either Archboot or Archiso.
The "Archboot" page ( https://wiki.archlinux.org/index.php/Archboot ) is consistent with the above information, because it states:
"Archboot is a set of scripts to generate bootable media for CD/USB/PXE.
It is designed for installation or rescue operation."
The "Archiso" page ( https://wiki.archlinux.org/index.php/Archiso ) states:
"Archiso is a small set of bash scripts that is capable of building fully functional Arch Linux based live CD and USB images. It is a very generic tool, so it could potentially be used to generate anything from rescue systems, install disks, to special interest live CD/DVD/USB systems, and who knows what else."
So the pages describing both Archboot and Archiso clearly state that these tools are oriented towards already-existing installations -- even though it seems that they might be used, in certain circumstances, for initial installations.
I happen to be very new at playing around with installing Linux distros (although I've used Unix/Linux as a regular user for more than 30 years), and am brand new with respect to ArchLinux. I only began playing with it this past Saturday. So I would expect a bit of useful help as opposed to "RTFM!" I will soon get past the need to RTFM for basic tasks, but I have a way to go.
The fact is that for me and a number of other new ArchLinux users, the installation guides simply do not work. C.f. my post https://bbs.archlinux.org/viewtopic.php?id=153170 . I've done a lot of googling as well as searching the archives on this board, and others have come up against the same show-stopping installation problems that I have. I and others have posted to several recent threads on this board, trying to get past the problems, so far with no success.
Now, the.ridikulus.rat had written:
"You guys are using Archboot's kernel options for Archiso. Thats the issue in both the cases."
Given that neither of these sets of scripts were used by me or swordfish, this comment is not useful.
Given the above, can you or anyone else tell us what Archiso or Archboot might do to help us with our installation problems? Also, can you tell us how we, as newbies, ought to have found out how these might help?
Alan

No application runs after booting from an external (USB) drive

Hi all,
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As I want to upgrade my hard drive in my good ol' MacBook, I wanted to backup my present boot HDD to an external USB drive (freshly formatted, HFS+ journaled, GUID partition table). I tried both SuperDuper! and Carbon Copy Cloner. In both cases, the backup/cloning process goes fine, and I can reboot into the external drive, and the OS starts (yes, with wifi working, even iStat menus, textExpander etc. initiating fine). But all applications (not those on the menu bar, though) crash and notify me of some thread having tried some invalid operation, or sometimes I even got some vague reference to kernel protection.
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Thanks Devin, I think my issue is a bit different.
I am 'long' past the 10.5.6 update (as long as possible), it did not crash, and Software Update checked what it wanted several times since then (as it is set to do so daily).
Thanks for the safe boot tip, I have not tried it yet, though I am skeptical why would this help applications starting up without breaking some kernel protection -- but only if I booted up from an external drive.
I repaired all I could before the cloning of the drive, only the deep maintenance of DiskWarrior was skipped. With the disk or the OS itself, I basically did what you can, even the stuff that you are rarely supposed to do. (Onyx is a great tool to do all these and more, freely.)
I am not sure either that a FireWire drive would have helped, but who knows. (But really, the OS would boot, just the applications would feel that their are on an 'inferior' drive?) In any case, FireWire drives are not that easy to come by, and a risky investment -- e.g. I could not use them with the new MacBooks. Oh, and all my work was done on a firm table, but again, the behavior would be hard to explain as the HDD misbehaving, as the OS had no glitch, just I could not start applications without their crashing immediately.
Thanks again, I hope I run into something useful or if it is a bug then Apple magically pushes out some update before their winter break, or I will sadly watch my precious new drive sitting on a table idly.

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